Re: A89: Re: How TI's keys work


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Re: A89: Re: How TI's keys work




I wonder how a site like ticalc.org would generate that much money..

Bryan

----- Original Message ----- 
From: "mhlandry" <mhlandry@bellsouth.net>
To: <assembly-89@lists.ticalc.org>
Sent: Friday, December 03, 1999 3:19 PM
Subject: Re: A89: Re: How TI's keys work


> 
> $300 and $100 for the educational version I believe.
>      - Matt
> 
> Bryan Rabeler wrote:
> > 
> > And how much does the professional version cost?
> > 
> > Bryan
> > 
> >      ----- Original Message -----
> >      From: Mark Scott
> >      To: 'assembly-89@lists.ticalc.org'
> >      Sent: Thursday, December 02, 1999 10:51 PM
> >      Subject: RE: A89: Re: How TI's keys work
> > 
> >      * ticalc.org or someone else puts together a fund drive,
> >      buys professional version, then resells signing service for
> >      $0.00 to people that submit programs *
> > 
> >      Mark E. Scott Jr.
> >      mscott@databasecity.com
> > 
> >      -----Original Message-----
> >      From: mhlandry [mailto:mhlandry@bellsouth.net]
> >      Sent: Thursday, December 02, 1999 7:27 PM
> >      To: assembly-89@lists.ticalc.org
> >      Subject: Re: A89: Re: How TI's keys work
> > 
> >      TI may be crazy, but they were pretty smart when they came
> >      up with
> >      this application bit.  They will not sign any applications
> >      unless you
> >      buy the Educational version (limited amoutn of signs) or the
> > 
> >      Professional version (unlimited).  As someone previously
> >      said, (I think
> >      SMN) the signing is based on these certificates.  You get a
> >      certificate
> >      with your calculators information, specifically the serial
> >      number (I
> >      think).  Then they make the app so that it will run on a
> >      calculator with
> >      one specified serial number.
> >           As to you question "Are they crazy?", No.  Apps were
> >      not meant for
> >      games, but for professional software that could be developed
> >      by
> >      professionals (several professors with PHD's were on the sdk
> >      beta team)
> >      and sold to schools and the such.  Although apps can be used
> >      for games.
> >           Hope this will clear things up.
> > 
> >      P.S - Someone please correct me if I was wrong on anything
> >      (*cough* Dan
> >      E. *cough*)
> > 
> >           - Matt
> > 
> >      Bryan Rabeler wrote:
> >      >
> >      > So are you saying that in genereal, TI won't sign apps if
> >      you wrote them
> >      > using the free SDK?  Are they crazy?  Do they want to stop
> >      us from making
> >      > games altogether?
> >      >
> >      > Bryan
> >      >
> >      > ----- Original Message -----
> >      > From: "Scott Noveck" <noveck@pluto.njcc.com>
> >      > To: <assembly-89@lists.ticalc.org>
> >      > Sent: Thursday, December 02, 1999 4:14 PM
> >      > Subject: A89: How TI's keys work
> >      >
> >      > >
> >      > > Judging by the 83+ SDK beta, you guys are all waaaaay
> >      off.
> >      > >
> >      > > First of all, the way app signing works is different
> >      from what you've
> >      > > described.  The application itself is just modified to
> >      tell the calc that
> >      > it
> >      > > requires some "certificate(s)" to run.  The certificates
> >      are what has to
> >      > be
> >      > > generated specifically for each serial number, and THESE
> >      are heavily
> >      > > encrypted.  And I doubt you'll get anything at all out
> >      of that.
> >      > >
> >      > > Second, TI does NOT just sign any app you send them.
> >      Normally, they'll
> >      > only
> >      > > do it for those who BUY the SDK - for all other
> >      purposes, the free SDK is
> >      > > just a listing of ROM addresses.  The 83+ apps out now -
> >      like calcsys -
> >      > were
> >      > > signed because TI has given us SDK beta testers the
> >      opportunity to get an
> >      > > app signed for our work -- actually a fair decision on
> >      their part.
> >      > >
> >      > > Also, the serial number on any HW1 calc can be changed.
> >      The whole reason
> >      > > HW2 was released is to fix the security bug allowing ROM
> >      modification on
> >      > old
> >      > > calcs.  FYI, it's the same bug Archive Utility uses, and
> >      although no one's
> >      > > tried yet the address is known (I've seen it somewhere)
> >      and it COULD
> >      > > theoretically be done.
> >      > >
> >      > >     -Scott
> >      > >
> >      > >
> >      > >
> 
> 



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